理学 计算机硬件电路 释 feed-through;pin-through-hole 通孔 穿透印制电路板所有层的过孔。把引脚插入通孔并在反面焊盘上焊牢，可将元器件固定安装在印制板上。
计算机硬件 计算机工程制造 释文 feed-through, pin-through-hole 通孔
- lily bulb
- lily disease
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- lily magnolia
- lily of the Nile
- lily of the valley
- Lily Pons
- Li Lü
- Li Lüyuan
- lima bean agglutinin
- limacon
- limacon evolute
- Lima Conference
- limacon of Pascal
- Lima Culture
- Lima Declaration
- Li-Ma formula
- Li Mangui
- Li Manhong
- Li Maozhen
- Limassol
- limaçon
- limaçon evolute
- limaçon of Pascal
- limb